What is the primary purpose of a posterior leaf spring orthosis?

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Multiple Choice

What is the primary purpose of a posterior leaf spring orthosis?

Explanation:
It provides a dorsiflexion assist during the swing phase to prevent foot drop. The posterior leaf spring stores energy as the foot tends to plantarflex and then releases it to lift the forefoot, helping with toe clearance when dorsiflexor muscles are weak. This dynamic, lightweight design allows ankle movement during stance and doesn’t immobilize the ankle. It doesn’t aim to increase plantarflexion strength (that’s addressed with therapy and training), and it isn’t intended to provide medial ankle reinforcement.

It provides a dorsiflexion assist during the swing phase to prevent foot drop. The posterior leaf spring stores energy as the foot tends to plantarflex and then releases it to lift the forefoot, helping with toe clearance when dorsiflexor muscles are weak. This dynamic, lightweight design allows ankle movement during stance and doesn’t immobilize the ankle. It doesn’t aim to increase plantarflexion strength (that’s addressed with therapy and training), and it isn’t intended to provide medial ankle reinforcement.

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